CN213269339U

CN213269339U - Spring primary and secondary lock

Info

Publication number: CN213269339U
Application number: CN202021536239.8U
Authority: CN
Inventors: 徐贤德
Original assignee: Wenzhou Weitai Lock Co ltd
Current assignee: Wenzhou Weitai Lock Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-25
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to a can realize positive and negative bullet primary and secondary lock that plays two effects. The cylinder primary-secondary lock comprises a lock body, a main key and an emergency key, wherein the lock body comprises a lock shell, an inner sleeve and a lock cylinder, the inner sleeve is fixedly arranged in the lock shell, the lock cylinder is arranged in the inner sleeve, the lock cylinder comprises a lock cylinder main body and cylinders, a plurality of cylinder grooves are formed in the lock cylinder main body, and each cylinder groove is internally provided with a cylinder, and the cylinder primary-secondary lock is characterized in that: the pin tumbler comprises a first pin tumbler and a second pin tumbler, the inner sleeve is provided with a forward rotation slotted hole and a reverse rotation slotted hole, and the forward rotation slotted hole and the reverse rotation slotted hole respectively extend towards two sides. The primary key and the emergency key which are configured can respectively realize forward rotation and reverse rotation through the innovative structure of the lock body, normal mechanical unlocking can be realized through the forward rotation, and emergency unlocking can be realized through the reverse rotation of the auxiliary coded lock, so that the manufacturing cost is reduced.

Description

Spring primary and secondary lock

Technical Field

The utility model relates to a tool to lock specifically is tool to lock on safe or the safe deposit box.

Background

The general safe and safe includes double safety of cipher lock and mechanical lock, and the door may be opened only if the cipher lock and the mechanical lock are unlocked simultaneously. Generally, a mechanical lock is not easy to break down because of a mechanical structure, and a coded lock has a circuit part, so that problems are easy to occur. In order to prevent the door from being opened due to the fault of the coded lock, an emergency mechanical lock for assisting the coded lock to be opened emergently is additionally arranged. Therefore, a total of two mechanical locks and a combination lock need to be arranged on a safe box or a safe cabinet, and the total cost is high.

Disclosure of Invention

In view of the defects existing in the prior art, the utility model discloses the innovation provides a can realize positive and negative and play the pellet shot from a slingshot primary and secondary lock of two effects.

The cylinder primary-secondary lock comprises a lock body, a main key and an emergency key, wherein the lock body comprises a lock shell, an inner sleeve and a lock cylinder, the inner sleeve is fixedly arranged in the lock shell, the lock cylinder is arranged in the inner sleeve, the lock cylinder comprises a lock cylinder main body and cylinders, a plurality of cylinder grooves are formed in the lock cylinder main body, and each cylinder groove is internally provided with a cylinder, and the cylinder primary-secondary lock is characterized in that: the spring comprises a first spring and a second spring, the inner sleeve is provided with a forward rotation slotted hole and a reverse rotation slotted hole, the forward rotation slotted hole and the reverse rotation slotted hole extend towards two sides respectively, the first spring is positioned in the forward rotation slotted hole, the second spring is positioned in the reverse rotation slotted hole, the inner sleeve is provided with a first magnet for attracting the first spring to the axis of the lock core and a second magnet for attracting the second spring to the axis of the lock core, the main key is provided with a pit for enabling the second spring to come out of the reverse rotation slotted hole, and the emergency key is provided with a pit for enabling the first spring to come out of the forward rotation slotted hole.

The pit of the main key and the pit of the emergency key are in an inverted circular truncated cone shape, and the lower ends of the first pin tumbler and the second pin tumbler are in a conical head shape.

According to the utility model provides a pair of pellet shot from a slingshot primary and secondary lock, through the innovation structure of lock body, the main key that makes the configuration can realize forward rotation and antiport respectively with emergent key, and normal mechanical unblock can be realized to forward rotation, and emergent unblock can be realized to the supplementary trick lock of antiport, reduces manufacturing cost from this.

Drawings

FIG. 1 is a schematic structural view of the present invention (the lock case is omitted);

FIG. 2 is a schematic structural view of the present invention (inner sleeve omitted);

FIG. 3 is a front view of the present invention (inner sleeve omitted);

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

fig. 5 is a combination view of the key, the first pin and the second pin.

Detailed Description

As shown in fig. 1, the pin tumbler cylinder lock includes a lock body, a main key 5 and an emergency key 6. The main key 5 and the emergency key 6 can be inserted into the lock body, the lock cylinder can rotate forwards after the main key 5 is inserted into the lock body, and therefore mechanical unlocking is achieved.

The structure and working principle of the cylinder combination lock will be described in detail below.

As shown in fig. 1, the lock body includes a lock housing, an inner sleeve 1 and a lock cylinder. A lock case (not shown) is provided for mounting on the door, an inner sleeve 1 is fixedly mounted in the lock case, and a lock cylinder is provided in the inner sleeve. As shown in fig. 2, the lock core generally includes a lock core body 2 and pins, the lock core body 2 is provided with a plurality of pin grooves 20, each pin groove 20 is provided with a pin, and the lock core further includes a spring, when a key is inserted into the lock core body 2, the pins are pushed to the same height under the action of the spring, so that the pins are no longer clamped with the inner sleeve 1, and the lock core can normally rotate, which is the prior art. In order to solve the disadvantages of the prior art, as shown in fig. 1, the marble of the present invention further comprises a first marble 3 and a second marble 4, wherein the inner sleeve 1 is provided with a forward rotation slot 10 and a reverse rotation slot 11, the forward rotation slot 10 and the reverse rotation slot 11 extend to both sides respectively (i.e. the forward rotation slot 10 and the reverse rotation slot 11 are staggered from left to right, and only partially overlap in the axial direction), wherein the first pin tumbler 3 is positioned in the forward rotation slotted hole 10, the second pin tumbler 4 is positioned in the reverse rotation slotted hole 11, as shown in fig. 3 and 4, the inner sleeve 1 is provided with a first magnet 8 for attracting the first pins 3 toward the plug axis and a second magnet 9 for attracting the second pins 4 toward the plug axis (which is the axis of the plug body 2), as shown in fig. 5, the main key 5 has a recess for allowing the second pin 4 to come out of the reverse rotation groove 11, and the emergency key 6 has a recess 60 for allowing the first pin 3 to come out of the forward rotation groove 10.

The working principle is as follows: when the coded electronic lock is normally used, the coded electronic lock is firstly unlocked, then the main key 5 is inserted, and the main key 5 is provided with a pit for enabling the second pin 4 to come out of the reverse rotation slotted hole 11, so that under the attraction of the second magnet 9, the second pin 4 enters the pit of the main key 5, when the main key 5 is clockwise rotated, the second pin 4 is not limited, and the first pin 3 can normally clockwise rotate in the forward rotation slotted hole 10, so that the lock core normally realizes clockwise rotation, and mechanical unlocking is completed. When the electronic password lock has a fault, the emergency key 6 is firstly inserted, the emergency key 6 is provided with the pit 60 for enabling the first pin 3 to come out of the forward rotation slotted hole 10, so that under the attraction of the first magnet 8, the first pin 3 enters the pit 60 of the emergency key 6, when the emergency key 6 is rotated anticlockwise, the first pin 3 is not limited, and the second pin 4 can normally rotate anticlockwise in the reverse rotation slotted hole 11, so that the lock cylinder normally realizes anticlockwise rotation, and the electronic password lock is assisted to realize mechanical emergency unlocking; the master key 5 is then inserted again, and normal mechanical unlocking is effected as described above. By this configuration, a mechanical lock can be eliminated, thereby reducing the manufacturing cost of the safe.

As shown in fig. 5, the recess 60 of the emergency key 6 and the recess of the master key 5 are both of an inverted circular truncated cone shape, and the lower ends of the first pins 3 and the lower ends of the second pins 4 are both of a tapered head shape. The inverted truncated cone shaped dimple 60 allows the pin to enter the dimple more gradually. The lower end of the conical marble can reduce the friction force with the key due to the small contact area, and can enter the pit 60 of the key more easily.

Claims

1. Pellet shot from a slingshot primary and secondary lock, including lock body and main key (5) and emergency key (6), the lock body is including lock shell, endotheca (1) and lock core, endotheca (1) fixed mounting is in the lock shell, the lock core is located in endotheca (1), the lock core is including lock core main part (2) and pellet shot from a slingshot, a plurality of pellet shot from a slingshot grooves (20) have been seted up on lock core main part (2), are equipped with pellet shot from a slingshot in every pellet shot from a slingshot groove (20), its characterized in that: the spring comprises a first spring (3) and a second spring (4), a forward rotation slotted hole (10) and a reverse rotation slotted hole (11) are formed in the inner sleeve (1), the forward rotation slotted hole (10) and the reverse rotation slotted hole (11) extend towards two sides respectively, the first spring (3) is located in the forward rotation slotted hole (10), the second spring (4) is located in the reverse rotation slotted hole (11), a first magnet (8) for attracting the first spring (3) to the axis of the lock cylinder and a second magnet (9) for attracting the second spring (4) to the axis of the lock cylinder are arranged on the inner sleeve, the main key (5) is provided with a pit for enabling the second spring (4) to come out of the reverse rotation slotted hole (11), and the emergency key (6) is provided with a pit (60) for enabling the first spring (3) to come out of the forward rotation slotted hole (10).

2. A pin tumbler cylinder primary lock according to claim 1, wherein: the pit of the main key (5) and the pit (60) of the emergency key (6) are in an inverted circular truncated cone shape, and the lower ends of the first pin tumbler (3) and the second pin tumbler (4) are in a conical head shape.